面向突发事件的微博舆情监测与分析平台

《面向突发事件的微博舆情监测与分析平台》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、山东科技大学硕士学位论文摘要AbstractItisVe盯importanttosupervisethepublic叩iniononnetworkswhenaneme唱encyoccurred．Astherapidgro、玑hofthenumberofusersandtheadVantagesofthespeedofinfbnnationdissemination，breadthandconVenience，China’sMicroBlogplaysanimponantroleinintegrati

2、ngpublicopinioninnetworl(．MicroBlogbecamethemostimportantpanofnetworkofpublicopinioninChina．Therefbre，itissignificanttosupervisetheeme唱encyonplatformofMicr0Blog．Inthepresent，therearealwayssomeshortcomingsinthesupervisionofpublicopinionofeme唱encyinnetwo

3、rk．Forexample，thegranularityoftopicistoocoarSe，thegeographyofpublicopinionisnotpreciseenoughandthepattemofshowingpublicopinionistoomonotonous．InordertooVercometheseshortcomings，thispaperca盯iedoutthefollowingwork：(1)Inte姗sofaccessingtoMicroBlog’sdata：Wh

4、enaneme唱encyoccu丌ed，accordingtouser-specifiedkeywords，wegetdatabytheinterfaceforsearchontheOpenPlatfonnofMicroBlog．wecollectdatainahigh-dens时wayinfomofstmcturedinfonnation．Thatistosay，inadditiontocontentinformation，theresultalsoincludesattributeinfomat

5、ion，suchastime，aumor’sinfomation，thelocationofauthorandsoon．Withthisinfomation，wecanproVideabasisforf．01low—upmulti·angledisplayofpublicopiniondata．(2)Intemsofanalysingdataofpublicopinionofeme唱ency：InordertoimproVetheaccuracyofthetopic，weminethesubtopi

6、coftheeme唱encytomakethetopicofeme唱encymoremeticulousbyintroducingatopicclassificationrefinementmethodbasedontopic‘wordconcurrencenetworks．Atthesametime，weusegeographicalwordsinmicroblog’scontentforclusteringtominespeci6ctopicsatthedesignatedlocations．I

7、nthisway；wecananalyzedetailedsituationoftheeme唱encyatthedesignatedlocations，improVethegeographicalaccuracyofthesupervisionandprovideamoreintactinfo咖ationfortherelatedpersonneltomal(edecision·(3)Intemsofshowingdataofpublicopinion：weanalyzedthestateandsp

8、atialdistributionofpublicopinionbyminingquantityandgeographicinfo兀nationandshowingtheresultinfom山东科技大学硕士学位论文摘要oflinechartandelectronicmap．Inthisway'wenotonlymadetheresultofsupervisionbeclearataglance，butalsoimproVedtheefrectofdisplayofp